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<samueldr> I wonder if this web-based adb/fastboot tooling can be used by other projects https://arstechnica.com/gadgets/2020/03/android-11-preview-2-shows-off-notification-changes-web-based-installer/
<samueldr> I figure it must be gater behind the domain name at the browser level
<samueldr> though the article makes it look like it might be simply "WebUSB"
<clever> samueldr: ive heard that webusb is somewhat like libusb, but the browser needs access to the nodes in /dev/bus/usb/
<clever> so you need the right udev rules to allow non-root access
<samueldr> though imagine being able to install mobile nixos from a chromium browser!
* craige shudders
<samueldr> the spec is open, it could be implemented by other browsers
<colemickens> hm copies back to me from the community box are very slow, not sure if its expected?
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<Valodim> samueldr: I'm hitting the symptoms of https://github.com/NixOS/nixpkgs/issues/66960 on a raspi 3b+ on the 20.03 channel
<{^_^}> #66960 (by samueldr, 31 weeks ago, open): Tracking issue for Raspberry Pi 3B+ and the latest kernel
<Valodim> I see "Starting kernel..", and then it doesn't change anymore. It *does* boot though, and I can log in via SSH
<samueldr> starting from a 20.03 burned image?
<samueldr> or starting from 19.03?
<Valodim> it was a 19.09 image (which worked as expected), updated to 20.03
<Valodim> default kernel, not latest
<Valodim> (5.4.25)
<Valodim> you mention in that issue that this shouldn't happen since 19.09 kernels. perhaps it's a different cause than the one in that issue
<Valodim> does look similar tho
<Valodim> anything I can do to debug? :) I do have ssh on the machine
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<samueldr> the exact tracked issue was u-boot from a 19.03 image being too old, it didn't know about the raspberry Pi 3B+, so it wouldn't load the right device tree
<samueldr> you don't have serial logs for u-boot logs, right?
<Valodim> nope. is there a simple way to obtain those?
<samueldr> without serial I don't know
<Valodim> hmmh
<samueldr> though I may have clues in `dmesg | head -n 50
<Valodim> gimme a sec
<samueldr> >> [ 0.000000] Machine model: Raspberry Pi 3 Model B
<samueldr> you have a 3B+, right?
<Valodim> huh. I might have been mistaken there, let me confirm
<clever> Valodim: the revision in /proc/cpuinfo gives you the exact details
<samueldr> clever: though what I wanted is the "maybe erroneous" name from the device tree :)
<samueldr> that's what I assume the issue is for #66960
<{^_^}> https://github.com/NixOS/nixpkgs/issues/66960 (by samueldr, 31 weeks ago, open): Tracking issue for Raspberry Pi 3B+ and the latest kernel
<Valodim> clever: says CPU revision: 4
<Valodim> board doesn't have a +, seems I was wrong there
<clever> oh and u-boot may not forward the 32bit revision onward to linux
<clever> 4 is definitely not the revision we want
<Valodim> dang :)
<clever> Valodim: it would be a number like 0x00c03112
<samueldr> right, in that case it would be another issue, if it's not a 3B+
<samueldr> I don't know if 5.4 or 5.5 should be expected to work with HDMI
<samueldr> we might be missing a changed kernel configuration option
<Valodim> board says it's a 3B v1.2
<clever> Valodim: my 3b (non plus) says the same thing
<samueldr> yep, so it's well-identified
<samueldr> I can assure you that it's not #66960, but I'm not saying there's not another bug
<{^_^}> https://github.com/NixOS/nixpkgs/issues/66960 (by samueldr, 31 weeks ago, open): Tracking issue for Raspberry Pi 3B+ and the latest kernel
<Valodim> helpful, in its own way
<Valodim> it did work as expected with the 19.09 installation image. I'll try downgrading to 19.09 with its default kernel, to see if that still works
<samueldr> or you could try setting 4.19 specifically on 20.03
<samueldr> or if you have another SD card around, download a fresh 20.03 image to see
<Valodim> setting 4.19 explicitly sounds good, I'll try that
<srk> I know 5.5 works but not sure if hdmi works as well, will try
<samueldr> it *could* be a similar issue where the specific installed u-boot does something that the mainline kernel doesn't like
<Valodim> I do have another sd card too, will try a fresh 20.03 image as well
<samueldr> that would at least remove variables, and get us a good starting point to test
<Valodim> I'll report back when I tried a few things
<Valodim> thanks for your support so far!
<Valodim> the 4.19 isn't in the cache.. guess that'll take a while :)
<Valodim> by 4.19 you were referring to linuxPackages_4_19?
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